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LakeQuality

운문댐

NR
Not yet rated
2 m clear · Mesotrophic
Limited DataMesotrophic

운문댐 in Unknown, South Korea has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 2 m visibility. Phosphorus: 11 µg/L. Chlorophyll-a (algae): 2.8 µg/L.

Clarity
2 m
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Why 운문댐 has no A–F grade

운문댐 in South Korea is published with the authority's own measurements, not a LakeQuality letter. official authority class; not a LakeQuality A–F letter Sampling here has recorded water clarity, phosphorus and algae (chlorophyll-a).

A letter on the LakeQuality scale would be an invention, not an official class. Everything below that has been measured is still reported on this page.

Monitoring: the National Institute of Environmental Research (Korea).

운문댐 is a lake in Unknown County, South Korea.

Source: the National Institute of Environmental Research (Korea) — not the EPA Water Quality Portal, last sampled 2025-12-15. Grade methodology: LakeGrade methodology.

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Swimming Safety

Not rated

Limited data

Not rated for swimming — there is not enough monitoring data to judge this lake

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Water quality measurements for 운문댐

These readings exist but do not meet the evidence bar for an A–F grade — see why.

Murky, only visible to about 6.6 ft. Phosphorus level: 11 µg/L. Chlorophyll-a: 2.8 µg/L. Trophic State Index: 43.

MetricValueGrade
Water Clarity (Secchi Depth)2 mNot graded
Phosphorus11 µg/LNot graded
Chlorophyll-a (Algae)2.8 µg/LNot graded
Trophic State Index (TSI)43Mesotrophic

Moderate nutrients, good water quality

Where to stay near 운문댐

Compare lakeside cabins, hotels, and vacation rentals near 운문댐 in Unknown, South Korea — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

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Fishing 운문댐

Frequently asked questions about 운문댐

What is the water quality of 운문댐?

운문댐 in Unknown, South Korea has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 2 m visibility. Phosphorus: 11 µg/L. Chlorophyll-a (algae): 2.8 µg/L.

Is 운문댐 safe to swim in?

운문댐 has official nutrient and clarity measurements, not a bacteria swim class and not a safety clearance. Algal blooms, currents, and depth are not covered. Always check local notices before swimming.

Where this data comes from

708 measurements from 2 monitoring stations, 2016–2025. Retrieved from the listed programme (not the EPA Water Quality Portal). See data sources on 2026-08-20.

Collected and reported by

  • National Institute of Environmental Research (Korea)nier-kr708 samples · 2016–2025

Analytical methods

  • NIER national water-quality network (호소 surface chemistry)
Monitoring station identifiers (2)
  • 2021B10
  • 2021B20

Authority classifications are stored separately from LakeQuality A–F letters and are never blended. See how grades are calculated and data sources.

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